MGASA-2020-0094 - Updated systemd packages fix security vulnerabilities

Publication date: 21 Feb 2020
URL: https://advisories.mageia.org/MGASA-2020-0094.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2019-20386,
     CVE-2020-1712

Updated systemd packages fix security vulnerabilities:

It was discovered that systemd incorrectly handled certain udevadm trigger
commands. A local attacker could possibly use this issue to cause systemd
to consume resources, leading to a denial of service (CVE-2019-20386).

Tavis Ormandy discovered that systemd incorrectly handled certain Polkit
queries. A local attacker could use this issue to cause systemd to crash,
resulting in a denial of service, or possibly execute arbitrary code and
escalate privileges (CVE-2020-1712).

References:
- https://bugs.mageia.org/show_bug.cgi?id=25964
- https://ubuntu.com/security/notices/USN-4269-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20386
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1712

SRPMS:
- 7/core/systemd-241-8.5.mga7

Mageia 2020-0094: systemd security update

Updated systemd packages fix security vulnerabilities: It was discovered that systemd incorrectly handled certain udevadm trigger commands

Summary

Updated systemd packages fix security vulnerabilities:
It was discovered that systemd incorrectly handled certain udevadm trigger commands. A local attacker could possibly use this issue to cause systemd to consume resources, leading to a denial of service (CVE-2019-20386).
Tavis Ormandy discovered that systemd incorrectly handled certain Polkit queries. A local attacker could use this issue to cause systemd to crash, resulting in a denial of service, or possibly execute arbitrary code and escalate privileges (CVE-2020-1712).

References

- https://bugs.mageia.org/show_bug.cgi?id=25964

- https://ubuntu.com/security/notices/USN-4269-1

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20386

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1712

Resolution

MGASA-2020-0094 - Updated systemd packages fix security vulnerabilities

SRPMS

- 7/core/systemd-241-8.5.mga7

Severity
Publication date: 21 Feb 2020
URL: https://advisories.mageia.org/MGASA-2020-0094.html
Type: security
CVE: CVE-2019-20386, CVE-2020-1712

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